TASK 72-41-34-300-019 HPC Vane Actuating Crankshaft - Blend Repair, Repair-019 (VRS6187)

DMC:V2500-A0-72-41-3411-00A-649A-C|Issue No:002.00|Issue Date:2017-08-01

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

All

Common Information

TASK 72-41-34-300-019 HPC Vane Actuating Crankshaft - Blend Repair, Repair-019 (VRS6187)

Effectivity

FIG/ITEM

PART NO.

01-600

6A3805

01-600

6A4316

01-600

6A5889

01-600

6A7804

01-600

6A7975

01-600

6A8610

01-630

6A3806

01-630

6A4317

01-630

6A5890

01-630

6A7805

01-630

6A7976

01-630

6A8611

Material of component

PART IDENT

MATERIAL

Vane Actuating Shaft

Corrosion Resistant Steel

General

This Repair must only be done when the instruction to do so is given in 72-41-34 Inspection/Check.

The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are in the SPM.

Price and Availability

Refer to International Aero Engines

Related Repairs

REPAIR SCHEME NO.

TITLE

VRS6391

HP Compressor Vane Actuating Crank Shaft - Re-apply Surface Protection. Refer to TASK 72-41-34-300-055

NOTE

Equipment and materials necessary to do this repair are in the SPM TASKS given below:
SPM TASK 70-09-00-400-501
SPM TASK 70-11-39-300-503
SPM TASK 70-23-03-230-501
SPM TASK 70-23-05-230-501
SPM TASK 70-35-03-300-501

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Chemical cleaning equipmentLOCALChemical cleaning equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Standard workshop equipmentLOCALStandard workshop equipment
Vibro-engraving equipmentLOCALVibro-engraving equipment
Workshop inspection equipmentLOCALWorkshop inspection equipment

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER06565CoMat 05-074
CoMat 05-106 ABRASIVE STONEK6835CoMat 05-106
CoMat 05-111 EMERY POLISHING PAPER06565CoMat 05-111
CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)37676CoMat 06-018

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-34-110-111 Chemically Clean

      1. Chemically clean.

      1. Refer to TASK 72-41-34-100-000 (CLEANING-000).

        Use chemical cleaning equipment.

    2. SUBTASK 72-41-34-230-173 Do a Crack Test

      1. Do a penetrant crack test.

      1. Refer to SPM TASK 70-23-03-230-501.

        Cracks are not permitted.

    3. SUBTASK 72-41-34-350-099 Remove Damage Area(s)

    1. Refer to Figure and Figure.

      2. Remove area(s) of damage as necessary.

      1. Refer to SPM TASK 70-35-03-300-501.

        Make sure damage marks are fully removed.

      3. General area.

      1. The maximum depth to remove the damage must not be more than 0.030 in. (0.76 mm).

        The diameter of the area removed must be 50 times its depth.

      4. Clevis leg inner face.

      1. Not more than 0.63 in. (16 mm) of hole diameter - do not dress damage.

        Remove raised metal only.

        More than 0.63 in. (16 mm) of hole diameter - dress damage not more than 0.018 in. (0.46 mm) in depth.

        Dress damage contour smooth and not less than 10:1 minimum blend ratio.

      5. Blend the area(s) of repair.

      6. General area.

      1. Make sure the dressing marks are fully removed and the repaired area is blended smooth into the adjacent surfaces.

      7. Clevis leg inner face.

      1. Do not blend, break sharp edge only around repaired areas and hole.

      8. Polish the area(s) of repair.

      1. Refer to SPM TASK 70-35-03-300-501.

        Polish the repaired area(s) to remove all marks, scratches and to give a surface finish the same as of adjacent surface.

    4. SUBTASK 72-41-34-220-232 Examine the Repair

    1. Refer to Figure and Figure.

      2. Do a visual and dimensional inspection of the repaired area(s).

      1. Use workshop inspection equipment.

        Make sure the surface finish is the same as of adjacent surface.

      3. General area.

      1. Make sure the depth of repair is 0.030 in. (0.76 mm) maximum.

      4. Clevis leg inner face.

      1. Make sure the depth of repair is 0.018 in. (0.46 mm) maximum.

        Width and length of repair unrestricted.

        Seating area around hole diameter is 0.63 in. (16 mm) - no raised metal.

        Maximum permitted surface damage is 0.001 in. (0.03 mm) in depth.

    5. SUBTASK 72-41-34-110-112 Do a Swab Etch

      1. Chemically clean and swab etch the repaired area(s).

      1. Refer to SPM TASK 70-11-39-300-503.

        Use chemical cleaning equipment.

    6. SUBTASK 72-41-34-230-094 Do a Crack Test

      1. Do a local penetrant crack test.

      1. Refer to SPM TASK 70-23-05-230-501.

        Cracks are not permitted.

    7. SUBTASK 72-41-34-350-163 Identify the Repair

      1. Make a mark VRS6187 on the part adjacent to the part number.

      1. Refer to SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

        Use vibro engraving equipment.

    8. SUBTASK 72-41-34-380-060 Reprotect the Shaft as necessary

      NOTE

      This SUBTASK is applicable to part numbers 6A3805, 6A4316 and 6A5889 only.

      1. Re-apply high heat resisting enamel.

      1. Refer to Repair, VRS6391 TASK 72-41-34-300-055 (REPAIR-055).

    9. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the effectivity table to add part numbers, procedure to increase allowable repair depth and updated figure. (92VR735D)

Manufacturer Code:06565
Enterprise Name:SAINT-GOBAIN ABRASIVES
BU Name:SAINT-GOBAIN ABRASIVES
P.O. Box:808
City:TROY
State:NY
Zip Code:12181
Country:USA
Phone Number:1-518-266-2200
Fax Number:1-518-266-2342
Internet:www.saintgobain.com
Manufacturer Code:37676
Enterprise Name:ITW MAGNAFLUX
BU Name:MAGNAFLUX CORPORATION
Street:155 HARLEM AVE
City:GLENVIEW
State:IL
Zip Code:60025
Country:USA
Phone Number:1-847-657-5300
Fax Number:1-847-867-5388
Internet:www.magnaflux.com
Manufacturer Code:K6835
Enterprise Name:MED-LAB LTD
BU Name:MED-LAB LTD
Street:COPELAND ST
City:DERBY
Zip Code:DE1 2PU
Country:GREAT BRITAIN
Phone Number:44-1332-349094
Fax Number:44-1332-371237
Email:sales@med-lab.co.uk
Internet:www.med-lab.co.uk
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:44197
Supply Number:CoMat 05-074
Type:sp01
Supply Short Name:CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER
Supply Name:CoMat 05-074 ALUMINIUM OXIDE ABRASIVE PAPER
Specification Groups:
Doc NumberType
ANSI/CAMI GRIT SIZE 180 ALUMINIUM OXIDE ABRASIVE PAPER
Suppliers:
ManufacturerRemarks
44197
K6835
LOCAL
Manufacturer Code:K6835
Supply Number:CoMat 05-106
Type:sp01
Supply Short Name:CoMat 05-106 ABRASIVE STONE
Supply Name:CoMat 05-106 ABRASIVE STONE
Specification Groups:
Doc NumberType
(SS-S-736/2/26) (A-A-3068/2-26)SQUARE FINE SS-S-736 TYPE II CLASS A1
Suppliers:
ManufacturerRemarks
K6835
KC1D9
Manufacturer Code:44197
Supply Number:CoMat 05-111
Type:sp01
Supply Short Name:CoMat 05-111 EMERY POLISHING PAPER
Supply Name:CoMat 05-111 EMERY POLISHING PAPER
Specification Groups:
Doc NumberType
FEPA GRIT SIZE P280 OR P240 EMERY POLISHING PAPER OR ALUMINUM OXIDE ABRASIVE PAPER
Suppliers:
ManufacturerRemarks
44197
K6835
KC1D9
LOCAL
Manufacturer Code:X222X
Supply Number:CoMat 06-018
Type:sp01
Supply Short Name:CoMat 06-018FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Supply Name:CoMat 06-018 FLUORESCENT PENETRANT (POST-EMULSIFIED HIGH SENSITIVITY)
Specification Groups:
Doc NumberType
It is not permitted to mix the selected CoMat 06‐018 letter suffix material with other CoMat 06‐018 letter suffix materials. Where CoMat 06‐018 is specified with no suffix, use one of the CoMat 06‐018 letter suffix materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment